Home / 121,142.88-181,751.54-62,020.05

Finding the Fourth Proportional to 121,142.88, 181,751.54 and 62,020.05

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Solution

The fourth proportional to 121,142.88, 181,751.54 and 62,020.05 is: 93,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,142.88 : 181,751.54 = 62,020.05 : x
  2. Step 2: Convert to fraction form
    121,142.88/181,751.54 = 62,020.05/x
  3. Step 3: Cross multiply
    121,142.88x = 181,751.54 × 62,020.05
  4. Step 4: Simplify right side
    121,142.88x = 11,272,239,598.38
  5. Step 5: Solve for x
    x = 11,272,239,598.38/121,142.88
  6. Step 6: Final answer
    x = 93,049.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.